Carex longebrachiata Boeck.

Female pseudoglumes yellow-brown to red-brown, 1.5–2 mm wide; acuminate, ascending. Female spike 3–5 mm diam at maturity. Utricle c. 1.5 mm diam., with prominent veins, 3-angular; beak ascending to erect, 2–2.5 mm long, very slightly notched to entire. Culms 40–80 cm high. Leaves 2–4 mm wide. Widespread. Swamps and creek banks